Includes Free Shipping.TIME-SERT1/2-13 Subaru Conversion kit, for special high horse power application, whichconverts original M11x1.25 to a larger Outside Diameter of 1/2-13.*Note if working on a Subaru for non racing application using OE M11x1.25 see Time Sert 11125 Kit. Printable 15100 Instructions. Replacement inserts for 15100 kit is 15105 which measure1/2-13×1.180. Mouse over the images above for a more detailed view of the kit components. Also notice our bulk discount prices on TIME-SERT replacement inserts for thread repair kits. Need more information on TIME-SERT thread repair kits? Visit our auto repair blog section on thread repair kits for tips, advice and all your thread repair questions answered. Just comment and we will be quick to respond. See theTIME-SERT products pdffor more information on thread repair kits and inserts. Some are listed for certain applications on cars, trucks and motorcycles. The pdf is a partial application list so feel free to email or call if we can assist with your particular need. We also accept inquiries regarding our daily TIME-SERT specials. Remember TIME-SERT is recommended by leading car manufacturers like the General Motors Corporation. In fact TIME-SERT is GM’s only authorized repair for head bolt threads.